I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
Answer:
Ok, so Athletes typically use three training methods to improve their cardiovascular fitness: slow to moderate-intensity distance training • moderate to high-intensity interval training • high-intensity continuous exercise.
Explanation:
Brainliest is appreciated.
Hava a great day!
It depends on which drug is to be given and what is its mechanism of action. e.g. for any antibiotic intra venous route will be a suitable choice whereas in case of a laxative we can administer it rectally if oral is not tolerated.
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In organic chemistry, a hydrate<span> is formed by the addition of hydrogen to another molecule to form a compound. ... By contrast, an anydrate or anhydrous material </span>does <span>not contain any water molecules. The water is usually removed by suction or by heating the substance to a high temperature.</span>